Power System Online Security Operational Trend Analysis and Simulation Results

被引：0
|
作者：
Zhao, Feng [1 ]
Guo, Qinglai [1 ]
Sun, Hongbin [1 ]
Wang, Mengxia [1 ]
Wang, Bin [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
2013 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING (PES) | 2013年
关键词：
contingency set; operational trend analysis; power system; security assessment; security evaluation index;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A novel power system online security operational trend analysis method is proposed in this paper. Based on the online operational mode and ultra-short term forecast operational mode (15mins later), the worst contingency set is determined as the union of the worst contingency in online and ultra-short term forecast operational mode, and the power system security evaluation indices are given out online for different security subject, such as voltage stability, critical interface stability, and transient stability. Simulation results on IEEE 39-bus system show that the proposed method can determine the worst contingency set and security evaluation index online accurately, reduce the number of contingencies, and improve security analysis efficiency.
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页数：5
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